<template>
  <el-form ref="deptForm" :model="form" :rules="rules" label-width="120px">
    <el-form-item label="部门名称" prop="name">
      <el-input v-model="form.name" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门编码" prop="code">
      <el-input v-model="form.code" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门负责人" prop="manager">
      <el-select v-model="form.manager" style="width:80%" placeholder="请选择">
        <el-option
          v-for="item in list"
          :key="item.id"
          :value="item.username"
          :label="item.username"
        />
      </el-select>
    </el-form-item>
    <el-form-item label="部门介绍" prop="introduce">
      <el-input v-model="form.introduce" style="width:80%" placeholder="1-300个字符" type="textarea" :rows="3" />
    </el-form-item>
    <el-form-item>
      <el-button type="primary" size="small" @click="hSubmit">确定</el-button>
      <el-button size="small" @click="hCancel">取消</el-button>
    </el-form-item>
  </el-form>
</template>
<script>
import { getEmployeeSimple, addDepartment, getDepartmentDetail, editDepartment } from '@/api/departments'
export default {
  props: {
    id: {
      type: String,
      required: true
    },
    isEdit: {
      type: Boolean,
      required: true
    },
    originList: {
      type: Array,
      required: true
    }
  },
  data() {
    const existCodeValid = (rule, value, callback) => {
      let existCodeList = this.originList.map(item => item.code)
      if (this.isEdit) {
        existCodeList = this.originList.filter(item => item.id !== this.id).map(item => item.code)
      }
      console.log(existCodeList)
      if (existCodeList.includes(value)) {
        // 存在 校验失败
        callback(new Error(`部门编码: ${value}已存在`))
      } else {
        // 不存在 放行
        callback()
      }
    }
    const existNameValid = (rule, value, callback) => {
      let existNameList = this.originList.filter(item => item.pid === this.id).map(item => item.name)
      if (this.isEdit) {
        const pid = this.originList.find(item => item.id === this.id).pid
        const brothers = this.originList.filter(item => item.pid === pid)
        existNameList = brothers.filter(item => item.id !== this.id).map(item => item.name)
      }
      console.log(existNameList)
      if (existNameList.includes(value)) {
        // 存在 校验失败
        callback(new Error(`部门编码: ${value}已存在`))
      } else {
        // 不存在 放行
        callback()
      }
    }
    return {
      list: [],
      form: {
        name: '', // 部门名称
        code: '', // 部门编码
        manager: '', // 部门管理者
        introduce: '' // 部门介绍
      },
      rules: {
        name: [
          { required: true, message: '请输入部门名称', trigger: 'blur' },
          { min: 1, max: 50, message: '请输入字符长度是1-50的部门名称', trigger: 'blur' },
          { validator: existNameValid, trigger: 'blur' }
        ],
        code: [
          { required: true, message: '请输入部门编码', trigger: 'blur' },
          { min: 1, max: 50, message: '请输入字符长度是1-50的部门名称', trigger: 'blur' },
          { validator: existCodeValid, trigger: 'blur' }
        ],
        manager: [
          { required: true, message: '请输入部门负责人', trigger: ['blur', 'change'] }
        ],
        introduce: [
          { required: true, message: '请输入部门的介绍', trigger: 'blur' },
          { min: 1, max: 300, message: '请输入字符长度是1-300的部门介绍', trigger: 'blur' }
        ]
      }
    }
  },
  // 通过监听刷新数据变化
  watch: {
    id: function(newValue, oldValue) {
      // console.log(newValue, 'newValue')
      // console.log(oldValue, 'oldValue')
      // this.loadDepartmentDetail()
    }
  },
  created() {
    this.loadEmployeeSimple()
    this.loadDepartmentDetail()
  },
  methods: {
    // 确定
    hSubmit() {
      this.$refs.deptForm.validate(valid => {
        if (!valid) return
        this.isEdit ? this.doEdit() : this.doAdd()
      })
    },
    // 取消
    hCancel() {
      this.$refs.deptForm.resetFields()
      this.$emit('close')
    },

    // 加载部门详情
    async loadDepartmentDetail() {
      try {
        if (this.isEdit) {
          const res = await getDepartmentDetail(this.id)
          console.log(res)
          this.form = res.data
        }
      } catch (error) {
        console.log(error)
      }
    },

    // 获取员工简单列表
    async loadEmployeeSimple() {
      try {
        const res = await getEmployeeSimple()
        console.log(res)
        this.list = res.data
      } catch (error) {
        console.log(error)
      }
    },

    // 添加部门
    async doAdd() {
      try {
        const res = await addDepartment({ ...this.form, pid: this.id })
        console.log(res)
        this.$emit('success')
      } catch (error) {
        console.log(error)
      }
    },

    // 编辑部门
    async doEdit() {
      try {
        const res = await editDepartment(this.form)
        console.log(res)
        this.$emit('success')
      } catch (error) {
        console.log(error)
      }
    }
  }
}
</script>
